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The border drawing used by ISOGEN has to be one of the following formats:

- AutoCAD R12  DXF file
- AutoCAD 2000 DWG file
- AutoCAD 2004 DWG file
- AutoCAD 2007 DWG file

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To create an AutoCAD 2007 DWG file from AutoCAD 2007/2008/2009/2010:

1. Run the AutoCAD SAVEAS command.

2. Change the "Files of type" at the bottom of the 
   "Save Drawing As" dialog to "AutoCAD 2007 Drawing (*.dwg)".


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To create an AutoCAD 2004 DWG file from AutoCAD 2007/2008/2009/2010:

1. Run the AutoCAD SAVEAS command.

2. Change the "Files of type" at the bottom of the 
   "Save Drawing As" dialog to "AutoCAD 2004 Drawing (*.dwg)".

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To create an AutoCAD 2000 DWG file from AutoCAD 2007/2008/2009/2010:

1. Run the AutoCAD SAVEAS command.

2. Change the "Files of type" at the bottom of the 
   "Save Drawing As" dialog to "AutoCAD 2000/LT 2000 Drawing (*.dwg)".
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To create an AutoCAD R12 DXF file from AutoCAD 2007/2008/2009/2010:

1. Run the AutoCAD SAVEAS command.

2. Change the "Files of type" at the bottom of the 
   "Save Drawing As" dialog to "AutoCAD R12/LT2 DXF (*.dxf)"

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